DEXP B450 vs Samsung Galaxy M51
DEXP B450
Samsung Galaxy M51
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A, (2CA) Cat6, 400 Mbps download, 50 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2018-112020-08
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Status2018-112020-09
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Design
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BuildPlasticGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMDual SIM (Micro-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height145.6 mm163.9 mm
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Width72.1 mm76.3 mm
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Thickness9 mm9.5 mm
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Weight148 g213 g
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ColorsBlack, GoldBlack, Blue
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Display
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Display typeIPSSuper AMOLED Plus
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Physical size5 inches6.7 inches
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Resolution480 x 854 pixels1080 x 2400 pixels
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Pixel density196 ppi393 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYes-
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 2.2 GHz Kryo 470 Gold
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetMediatek MT6580MQualcomm SDM730 Snapdragon 730G
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GPUMali-400 MP2Adreno 618
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Memory RAM1 GB6, 8 GB
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Internal storage8 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB512 GB
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoAndroid 10, One UI 2.5
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Main camera
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Camera type-Quad
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Main camera5 MP64 MP, (wide) , f/1.8 , 26 mm, 1/1.73" , 0.8 µm
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(ultrawide) , 12 MP, f/2.2 , 123˚ , 1.12 µm
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(macro) , 5 MP, f/2.4
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(depth) , 5 MP, f/2.4 , 1.12 µm
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Primary camera resolution2592 x 1944 pixels9280 x 6944 pixels
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Primary camera video720p@30fps4K@30fps, 1080p@30fps
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Primary camera flashLEDLED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, white balance settings, ISO settings, exposure compensation, self-timer, scene modeAutofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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Selfie camera
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Selfie camera2 MP32 MP, (wide) , f/2.0 , 26 mm, 1/2.8" , 0.8 µm
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Selfie camera resolution1600 x 1200 pixels6560 x 4928 pixels
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Selfie camera video480p@30fps MP4K@30fps, 1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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EarpieceYesYes
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Multimedia
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RadioFM Radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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BDS-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyroscope, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity2000 mAh7000 mAh
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Battery removableRemovableNon-removable
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Fast battery charging-Yes (100% in 115 min)
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Reverse charging-Yes
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DxOMark autonomy-96
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DxOMark charging-61
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DxOMark efficiency-87
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DxOMark battery score-88
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Tests and performance
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Antutu-275000 (v8)
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Geekbench(single-core)-1592 (v5.2)
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Geekbench(multi-core)-4211 (v5.2)
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SAR value
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SAR(head)-1.38 W/kg
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SAR EU(head)-0.61 W/kg
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SAR EU(body)-1.45 W/kg
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Cost
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Price-440 USD
